We found 15 dictionaries that define the word booing:

General (11 matching dictionaries)

1. booing: Merriam-Webster
2. booing: Oxford Learner's Dictionaries
3. booing: Collins English Dictionary
4. booing: Vocabulary.com
5. Booing, booing: Wordnik
6. booing: Cambridge Advanced Learner's Dictionary
7. booing: Wiktionary
8. booing: Dictionary.com
9. booing: Cambridge Essential American English Dictionary
10. Booing: Wikipedia, the Free Encyclopedia
11. booing: TheFreeDictionary.com

Computing (1 matching dictionary)

12. booing: Encyclopedia

Medicine (1 matching dictionary)

13. booing: Medical dictionary

Miscellaneous (1 matching dictionary)

14. booing: Idioms

Slang (1 matching dictionary)

15. Booing: Urban Dictionary

(Note: See boo as well.)

Definitions from Wiktionary (booing) ▸ noun:  A disapproving exclamation by a member of an audience. Similar: hoot, hiss, snort, Bronx cheer, bird, raspberry, razzing, catcall, booh, jeering, more... Opposite: cheering, applauding, praising, acclaiming Types: hissing, howl, catcall, jeer, snub, taunt, insult, rejection, more... Adjectives: loud, more, little, such, scattered, prolonged, angry, natured, long, boo, infallible ▸ Words similar to booing ▸ Usage examples for booing ▸ Idioms related to booing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing booing ▸ Words that often appear near booing ▸ Rhymes of booing ▸ Invented words related to booing